//前缀和后缀
// Created by qianxun on 17-1-23.
//
#include <stdio.h>
int main(void)
{
    int a = 1, b = 1;
    int a_post, pre_b;

    a_post = a++;//后缀递增
    pre_b = ++b;//前缀递增
    printf("a   a_post   b   pre_b \n");
    printf("%1d %5d %5d %5d\n", a, a_post, b, pre_b);

    return 0;
}

